*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg:      #0f0f0f;
    --fg:      #c8c8c8;
    --muted:   #6a6a6a;
    --accent:  #7eb8f7;
    --divider: #1e1e1e;
    --bright:  #e8e8e8;
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: 'JetBrains Mono', Consolas, 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.8;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 5rem 2rem 4rem;
}

/* content wrapper — works for both <main> (index) and .page-container (publications) */
main,
.page-container {
    width: 100%;
    max-width: 700px;
}

/* ========== header ========== */

.header-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.cv-link {
    font-size: 0.82rem;
    color: var(--accent);
    white-space: nowrap;
    flex-shrink: 0;
}

.page-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--bright);
    letter-spacing: 0.02em;
    margin-bottom: 0;
}

/* when page-title is a link (publications) */
a.page-title {
    display: inline-block;
}

a.page-title:hover {
    text-decoration: underline;
}

.page-subtitle {
    color: var(--muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* ========== divider ========== */

hr.divider {
    border: none;
    border-top: 1px solid var(--divider);
    margin: 2.2rem 0;
    width: 100%;
}

/* ========== sections (index) ========== */

.section-label {
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

/* ========== links ========== */

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}

.link-prefix {
    color: var(--muted);
    margin-right: 0.5rem;
    user-select: none;
}

.link-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

/* ========== index: publication summary list ========== */

.pub-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.pub-list li {
    display: grid;
    grid-template-columns: 4ch 1fr;
    gap: 0 1.5rem;
    align-items: start;
    position: relative;
}

.pub-year {
    color: var(--muted);
    white-space: nowrap;
}

.pub-venue {
    color: var(--muted);
    font-size: 0.82rem;
}

.pub-title a::after {
    content: '';
    position: absolute;
    inset: 0;
}

/* ========== publications pages: headings ========== */

.page-container h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--bright);
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.page-container h2 {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--muted);
    letter-spacing: 0.08em;
    margin-bottom: 0.8rem;
}

/* ========== publications pages: thumbnail layout ========== */

.container.h {
    display: flex;
    gap: 1.4rem;
    align-items: flex-start;
}

.thumbnail {
    width: 17em;
    flex-shrink: 0;
    opacity: 0.75;
    transition: opacity 0.2s;
}

.thumbnail:hover {
    opacity: 1;
}

/* ========== publications pages: icon link list ========== */

ul:not(.styled) {
    padding: 0;
    list-style: none;
}

ul:not(.styled) li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    line-height: 1.8;
}

.icon {
    width: 1.1em;
    height: 1.1em;
    flex-shrink: 0;
    opacity: 0.7;
}

/* ========== publications pages: text ========== */

.summary {
    margin-bottom: 1rem;
}

.summary u,
p u,
div u {
    text-decoration: none;
    color: var(--bright);
    font-weight: 700;
}

ul.styled {
    padding-left: 1.4rem;
}

/* ========== publications pages: clickable card (list page) ========== */

.container-link {
    all: unset;
    display: block;
    cursor: pointer;
}

.container-link:hover h1 {
    color: var(--accent);
}

/* ========== publications pages: breadcrumb ========== */

.breadcrumb {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
    margin-bottom: 1.5rem;
}

.breadcrumb:hover {
    color: var(--accent);
    text-decoration: none;
}

/* ========== responsive ========== */

@media (max-width: 520px) {
    body {
        padding: 2.5rem 1.2rem 3rem;
        font-size: 0.9rem;
    }

    .page-title {
        font-size: 1.2rem;
    }

    hr.divider {
        margin: 1.6rem 0;
    }

    /* publication list: stack year above title */
    .pub-list li {
        grid-template-columns: 1fr;
        gap: 0.1rem 0;
    }

    .pub-year {
        font-size: 0.75rem;
    }

    /* thumbnail layout: stack vertically */
    .container.h {
        flex-direction: column;
    }

    .thumbnail {
        width: 100%;
        opacity: 1;
    }

    /* publication h1 slightly smaller */
    .page-container h1 {
        font-size: 1rem;
    }
}